Eail Aile" Roches/Tr, NY 'IHF:ME Pal." U'j'r
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'Jhe Check and Double Check As WE Go TO P RESS WE LE .... RN : That invitations [0 the annual Hastings Christmas Cong ress have been extended to D r. A. Alekhine, R. Fine, E. Eliskases, Dr. M. Vid_ mar, M. Feigin, Sir G. A. Thomas, W . Winter, REVIEW Miss V. Menchik, T. H. T ylor, and A. Rey_ nol ds. T he burning question is: Will Reuben OFFIOAL ORG .... N OF T H E repeat his triumph o f last yea r? Will be out_ AMERICAN C H ESS FEDERATION rank Alekhine as he outranked Flohr? T hat Lajos Stei ner has progressed as far as the Phillipine Islands in search of Australia, his ISRAEL A. H OROWITZ, Editor latest letter bei n$. postmarked Manila. Also S. S. COHEN, Managing Editor that due to visa dtffIculties, he had to cancel sev_ era l of his simultaneo us exhibitions but played FRED REINFELD, AIJo (iale Editor tWO clock games with Panoff in Russia, Winning BARNIE F. WINKELMAN, AIJoriate Editor the fi rs t and losing the second; gave cwo ex_ R. CHENEY. Problem Editor hibitions in Japan where he was fo rced to Stay BERTRAM KADISH, Art Dire(lor an extra week due fO his ship being delayed (won 18, d rew 0, lost 1 and won 12, drew 0, lost 1) ; discussed with prominent Japanese offi_ ci als the possibility of holding an Olympic Vol. IV, No. 12 Published M OIl /hly December, 19 % T eam Tournament in conjunction with the Tokyo Olympic Games of 1940, and is ~I a d to be able to report that they are really constdering Check and Double Check .. 273 this Step, ahhoug h chess interest is not very Plachutta Inte rference in (he Endgame 274 grear among the Japanese, thei r favorite board U. S. Championship Tourney Prizes 276 game being Shoj i, a distant relative of the Curious Chess Facts 276 ro yal game. Puerto Ri co International Tourney 277 M y Best Games of Chess . 278 That according fO Kmoch, Fine is writing the Addenda to Griffith and White 281 book of the rocent Amsterdam Tournament in which he tied for first with Euwe, Canadian Section • 284 That Buenos Aires, in addition to welcom_ News Events - • 28' Selected Games • • 287 ing President Roosevelt and the Inter_American Problem Deparunem • • 288 Peace Confe rence, also played bost to rhe Ar_ Annud Index . • • • 293 gentine Inter_Provi ncial T eam Tournament which will be di scussed in the January issue. That an English newspaper account of the Alekhinc-Capablanca dispute at Nottingham Published monthly by THE CH ESS REVIEW, 60·10 run under the headline "A Oless Hitch," Rooseve lt Avenue, Woodside, N. Y. Domestic sub reads: scriptions: One year $3.oO--Two yea rs S 5.~O- Fi ve years $1 2.)0. SiI monlru S Ln. Si ngle copy 30 as. "There was a surprising development in rhe Foreign subscriptions: U .)O per year e ll:cept U. S. International Chess Congress being held at Uni Possessions Canada, Mexico, Cemra l and South Amer v~i ry Coll.,ge, H ighfiC'!ds , yesterday, t here bein,!; ica. S in g l~ copy n CIS. Copyright 19:;6 by T ilE a heated dispute be tween tWO of the mu ters as CHESS REVI EW. to who should seal the final move at rh e adjourn "Entered as Se<:ond-dass matter March " 19;'6, at ,the m t'nt. post offi ce at Flushing, New York, under the Act of "The greatest int erest in the day', pl ay was March 3, 1879." Additional entry al Middletown, N.Y. in the match between two former world cham· pions, Capablanca and Alekhine, and it wu in Ihis game that the hilCh occurred. " At 6 o'dock, the hour aT which play should (C"lSC for {he afternoon, mos{ of the players were CONTRIBUTING EDITORS, deeply immersed in Iheir games, some of them LAJOS STEINER LESTER W. BRAND gOing on for anOlher quarter of an hour. JOHN B. SNETHLAGE IRVING CHERNEV ( Colllillu,J "" Lan Pagq) - JAMES R. NEWMAN F. W. WATSON 273 Plachutta Interference in the Endgame By TH. C. L. KOK (Continued from November C. R.) is an impossibility! An example utilizing NO.3. Th. C. L. KOK bishop and queen is shown in Diagram No.4. Residentie bode, 1.6.34 ~~ Black NO.4. Th. C. L. KOK Residentiebode, 1_6_34 Black White White to Play and Win In Diagram No. 3 we have an ending wiuh only seven thematic fieets. All the pieces are necessary, and all 0 them participate in the After 1 P_Kt7, Black cannot play 1 ... Q_ play, Kt8ch due to 2 K_R6, B-Q5 (if 2 . Q-Kt3ch; The solution is; 1 KB4 (threat 2 R_R7 3 K_R5, etc.); 3 P_Kt8(Q)ch, QxQ; 4 R-Kt8 mate) , R_B4; 2 R-R7ch, R.R4; 3 RxRch, KxR; ch followed by 5 RxQ, etc. Therefore 1 P-Kt7, 4 P_K7, R.KS; 5 B-Q2ch!, etc. If instead 1 B_R 7; and now White can sacrifice the rook ... K.R4; 2 -P_K7, R_K8; 3 B.Q2ch follows on the diagonal intersection square by 2 R_KS immediately. The best defense is 1 ... K_R6; ch! If Black captures with [he bishop then 3 2 R_R2 (threatening 3 B_K7ch, K_R5; 4 R_R2 P-R8 (Q)ch followed by 4 P-Kt8(Q)ch; while eh, R_QR6; 5 RxRmate), 'K.R5 (upon 2 . if the rook is captured by the Queen therr 3 P_ R_QR8 follows 3 P-K7, R_K8; 4 P_K8(Q), Kt8(Q)ch followed by 4 P_R8(Q)ch. In neither variation does White emerge with 'a RxQ; 5 B-Blch, K-R5; 6 R-R2ch, R-QR6; 7 RxRmate);** 3 P-K7, R-K8 ; 4 B.K3!! (the superior material force, and therefore the knight sacrifice on the critical square). If 4 . is necessary in addition to the thematic pieces to enable White to win. R(B)xB; 5 P.K8(Q)ch, RxQ; 6 R.R2mate. And if 4 . .. R(K)xB; S R_R2ch, R.QR6; 6 VARIATION A: 2 , .. BxR; 3 P-R8(Q)ch, P_K8(Q)ch, K_R4; 7 Q.Kt5mate. BxQ ( . K-K2; 4 Q_R7ch, K-Q3; S P.Kt8 (Q)ch, KxKt; 6 Q(Kt)_R7ch and wins); 4 Plachutta interference may occur between P_Kt8(Q)ch, K-K2; 5 Q_B7ch, K_Kl; 6 Q-Q7 ' bishop and queen as well as between two rooks. ch, K_Bl; 7 Q-KB7mate. It may also occur between twO bishops, but VARIATION B: 2 ... QxR; 3 P-Kt8(Q)ch, rhen one of the bishops must be made available QxQ ( ... K.K2; 4 P.RS(Q)', QxQ(K'S) by means of a pawn promotion. This probably best!; 5 Q_B6ch, etc.); 4 P-R8(Q)ch, K_K2; 5 Q_B6th, K_Kl; 6 Q-B7ch, K_Ql; 7 Q_Q7 .... The analysis jn this sub·variation is the mate. author's but the play for both sides ma.y be The great strength of the queen does not improved upon. If 1 K-B4. K-R6; Z R-RZ, R QR8; 3 P -K7, R·K8; 4 P-K8(Q) , R·B6eh!!; 5 leave much freedom for compositions of thi ~ KxR, RxQ is much better for Black. The win type. The two rooks appear to be muoh more in this line ca.nnot be definitely demonstrated. plastic material with which to illustrate the BUT there is a definite win possible as follows : theme. With the rooks one can work with two 1 K-B4, K-RS; 2 R-R2, R-QR8; 3 R-K2!! and the queening of t he pawn cannot be prevented. free pawns utilizing at least one rook indirectly -So S. C. to prevent pawn promotions. 274 D E CEMBER, 1 936 275 NO.5. Th. C. L. KOK No.6. Th. C. L. KQK Tijdschrift _ May, 1936 Tijdschrift _ May, 1936 Slack White White to Play and Win White to Play and Win The answer to 1 P_R7 would be 1 . R_R5; and 1 P-Kt7 would be met by 1 . R_Q8ch The main line of play, however, is: followed by ... R_KKt8. Therefore in order 1 B-Kt5ch K.Bl 2 B_B6! R(B)xB to win we must place a White picce upon the If ... R(Kt)xB; 3 P -E8(Q)ch followed by 4 intersection square of the 2 rook lines: 1 B_ P·R7, etc. Q4!! Tl)C th reat is 2 P_R7 followed by 3 P_ 3 R.R8ch] • • • • R8(Q)mare, as well as 2 P_Kt7 followed by 3 Not 3 p-m?, R·QRSch; 4 K-Kt4, R(Kt )-KBS ; 5 R-R6, K Kt2!; 6 P·R8(Q)ch, RxQ; 7 P-B8(Q) P_Kt8 (Q) mate. After 1 ... RxQP; 2 P-Kt7,. cll, RxQ; 8 RxRch an d dr aws. RxRP; 3 P_Kt8(Q)ch, White will win because 3 . K ~ B2 one of the [(loks must fal l. The bishop sacri_ The play on ... K·Q2 113 about the same. Ece therefore must be accepted and we obtain 4 P-R7 R-QR3ch 5 K.Kt4 R(Kt)-QKt3ch the _following variations: Best! If 5. R(Kt)-KB3?; 6 P-R8(Q), Rx VARIATION A: 1 . R(Q)xB; 2 P-R7, R Q; 7 RxR, RxP; 8 R·R7ch,ctc. If the Black K QKt5ch; 3 K_B2, R(B)_B5ch; 4 K-Q2 (not 4 hadbeen at Q2 t hen 6 P ·B8-(Q), RxQ; 7 RxR, K_Ql?, R_Kt8ch; 5 K_Q2, R_QR5; 6 P.Kt7, R_ RxP; 8 R-B7ch, etc.